    <?php
    /** 
     * 中文拼音转换类 
     * @author julian.song 
     * 部分代码来源与互联网，版权归原作者所有 
     */ 
    class PinYin{ 
        public function __construct() 
        { 
     
        } 
        /** 
         * 把字符串转换为拼音 
         * @param  $string ASCII码 
         * @param  $charset 编码 
         */ 
        public function getPinyin($string, $charset='gb2312') 
        { 
            $dataKey = "a|ai|an|ang|ao|ba|bai|ban|bang|bao|bei|ben|beng|bi|bian|biao|bie|bin|bing|bo|bu|ca|cai|can|cang|cao|ce|ceng|cha". 
    "|chai|chan|chang|chao|che|chen|cheng|chi|chong|chou|chu|chuai|chuan|chuang|chui|chun|chuo|ci|cong|cou|cu|". 
    "cuan|cui|cun|cuo|da|dai|dan|dang|dao|de|deng|di|dian|diao|die|ding|diu|dong|dou|du|duan|dui|dun|duo|e|en|er". 
    "|fa|fan|fang|fei|fen|feng|fo|fou|fu|ga|gai|gan|gang|gao|ge|gei|gen|geng|gong|gou|gu|gua|guai|guan|guang|gui". 
    "|gun|guo|ha|hai|han|hang|hao|he|hei|hen|heng|hong|hou|hu|hua|huai|huan|huang|hui|hun|huo|ji|jia|jian|jiang". 
    "|jiao|jie|jin|jing|jiong|jiu|ju|juan|jue|jun|ka|kai|kan|kang|kao|ke|ken|keng|kong|kou|ku|kua|kuai|kuan|kuang". 
    "|kui|kun|kuo|la|lai|lan|lang|lao|le|lei|leng|li|lia|lian|liang|liao|lie|lin|ling|liu|long|lou|lu|lv|luan|lue". 
    "|lun|luo|ma|mai|man|mang|mao|me|mei|men|meng|mi|mian|miao|mie|min|ming|miu|mo|mou|mu|na|nai|nan|nang|nao|ne". 
    "|nei|nen|neng|ni|nian|niang|niao|nie|nin|ning|niu|nong|nu|nv|nuan|nue|nuo|o|ou|pa|pai|pan|pang|pao|pei|pen". 
    "|peng|pi|pian|piao|pie|pin|ping|po|pu|qi|qia|qian|qiang|qiao|qie|qin|qing|qiong|qiu|qu|quan|que|qun|ran|rang". 
    "|rao|re|ren|reng|ri|rong|rou|ru|ruan|rui|run|ruo|sa|sai|san|sang|sao|se|sen|seng|sha|shai|shan|shang|shao|". 
    "she|shen|sheng|shi|shou|shu|shua|shuai|shuan|shuang|shui|shun|shuo|si|song|sou|su|suan|sui|sun|suo|ta|tai|". 
    "tan|tang|tao|te|teng|ti|tian|tiao|tie|ting|tong|tou|tu|tuan|tui|tun|tuo|wa|wai|wan|wang|wei|wen|weng|wo|wu". 
    "|xi|xia|xian|xiang|xiao|xie|xin|xing|xiong|xiu|xu|xuan|xue|xun|ya|yan|yang|yao|ye|yi|yin|ying|yo|yong|you". 
    "|yu|yuan|yue|yun|za|zai|zan|zang|zao|ze|zei|zen|zeng|zha|zhai|zhan|zhang|zhao|zhe|zhen|zheng|zhi|zhong|". 
    "zhou|zhu|zhua|zhuai|zhuan|zhuang|zhui|zhun|zhuo|zi|zong|zou|zu|zuan|zui|zun|zuo"; 
     
            $dataValue = "-20319|-20317|-20304|-20295|-20292|-20283|-20265|-20257|-20242|-20230|-20051|-20036|-20032|-20026|-20002|-19990". 
    "|-19986|-19982|-19976|-19805|-19784|-19775|-19774|-19763|-19756|-19751|-19746|-19741|-19739|-19728|-19725". 
    "|-19715|-19540|-19531|-19525|-19515|-19500|-19484|-19479|-19467|-19289|-19288|-19281|-19275|-19270|-19263". 
    "|-19261|-19249|-19243|-19242|-19238|-19235|-19227|-19224|-19218|-19212|-19038|-19023|-19018|-19006|-19003". 
    "|-18996|-18977|-18961|-18952|-18783|-18774|-18773|-18763|-18756|-18741|-18735|-18731|-18722|-18710|-18697". 
    "|-18696|-18526|-18518|-18501|-18490|-18478|-18463|-18448|-18447|-18446|-18239|-18237|-18231|-18220|-18211". 
    "|-18201|-18184|-18183|-18181|-18012|-17997|-17988|-17970|-17964|-17961|-17950|-17947|-17931|-17928|-17922". 
    "|-17759|-17752|-17733|-17730|-17721|-17703|-17701|-17697|-17692|-17683|-17676|-17496|-17487|-17482|-17468". 
    "|-17454|-17433|-17427|-17417|-17202|-17185|-16983|-16970|-16942|-16915|-16733|-16708|-16706|-16689|-16664". 
    "|-16657|-16647|-16474|-16470|-16465|-16459|-16452|-16448|-16433|-16429|-16427|-16423|-16419|-16412|-16407". 
    "|-16403|-16401|-16393|-16220|-16216|-16212|-16205|-16202|-16187|-16180|-16171|-16169|-16158|-16155|-15959". 
    "|-15958|-15944|-15933|-15920|-15915|-15903|-15889|-15878|-15707|-15701|-15681|-15667|-15661|-15659|-15652". 
    "|-15640|-15631|-15625|-15454|-15448|-15436|-15435|-15419|-15416|-15408|-15394|-15385|-15377|-15375|-15369". 
    "|-15363|-15362|-15183|-15180|-15165|-15158|-15153|-15150|-15149|-15144|-15143|-15141|-15140|-15139|-15128". 
    "|-15121|-15119|-15117|-15110|-15109|-14941|-14937|-14933|-14930|-14929|-14928|-14926|-14922|-14921|-14914". 
    "|-14908|-14902|-14894|-14889|-14882|-14873|-14871|-14857|-14678|-14674|-14670|-14668|-14663|-14654|-14645". 
    "|-14630|-14594|-14429|-14407|-14399|-14384|-14379|-14368|-14355|-14353|-14345|-14170|-14159|-14151|-14149". 
    "|-14145|-14140|-14137|-14135|-14125|-14123|-14122|-14112|-14109|-14099|-14097|-14094|-14092|-14090|-14087". 
    "|-14083|-13917|-13914|-13910|-13907|-13906|-13905|-13896|-13894|-13878|-13870|-13859|-13847|-13831|-13658". 
    "|-13611|-13601|-13406|-13404|-13400|-13398|-13395|-13391|-13387|-13383|-13367|-13359|-13356|-13343|-13340". 
    "|-13329|-13326|-13318|-13147|-13138|-13120|-13107|-13096|-13095|-13091|-13076|-13068|-13063|-13060|-12888". 
    "|-12875|-12871|-12860|-12858|-12852|-12849|-12838|-12831|-12829|-12812|-12802|-12607|-12597|-12594|-12585". 
    "|-12556|-12359|-12346|-12320|-12300|-12120|-12099|-12089|-12074|-12067|-12058|-12039|-11867|-11861|-11847". 
    "|-11831|-11798|-11781|-11604|-11589|-11536|-11358|-11340|-11339|-11324|-11303|-11097|-11077|-11067|-11055". 
    "|-11052|-11045|-11041|-11038|-11024|-11020|-11019|-11018|-11014|-10838|-10832|-10815|-10800|-10790|-10780". 
    "|-10764|-10587|-10544|-10533|-10519|-10331|-10329|-10328|-10322|-10315|-10309|-10307|-10296|-10281|-10274". 
    "|-10270|-10262|-10260|-10256|-10254"; 
            $tDataKey = explode('|', $dataKey); 
            $tDataValue = explode('|', $dataValue); 
     
            $data = (PHP_VERSION>='5.0') ? array_combine($tDataKey, $tDataValue) : $this->arrayCombine($tDataKey, $tDataValue); 
            arsort($data); 
            reset($data); 
            if($charset != 'gb2312') $string = $this->utf82GB2312($string); 
            $res = ''; 
            for($i=0; $i<strlen($string); $i++) 
            { 
                $asc = ord(substr($string, $i, 1)); 
                if($asc>160) { $q = ord(substr($string, ++$i, 1)); $asc = $asc*256 + $q - 65536; } 
                $res .= $this->asc2Pinyin($asc, $data); 
            } 
            return preg_replace("/[^a-z0-9]*/", '', $res); 
        } 
        /** 
         * 把ASCII码转换为对应的拼音 
         * @param  $asc ASCII码 
         * @param  $data ASCII码拼音字符对照表 
         */ 
        public function asc2Pinyin($asc, $data) 
        { 
            if ($asc>0 && $asc<160 ) return chr($asc); 
            elseif($asc<-20319 || $asc>-10247) return ''; 
            else { 
                foreach($data as $k=>$v){ if($v<=$asc) break; } 
                return $k; 
            } 
        } 
        /** 
         * 将UFT8字符的编码转化为GB2312 
         * @param $char 
         */ 
        public function utf82GB2312($char) 
        { 
            $string = ''; 
            if($char < 0x80) $string .= $char; 
            elseif($char < 0x800) 
            { 
                $string .= chr(0xC0 | $char>>6); 
                $string .= chr(0x80 | $char & 0x3F); 
            }elseif($char < 0x10000){ 
                $string .= chr(0xE0 | $char>>12); 
                $string .= chr(0x80 | $char>>6 & 0x3F); 
                $string .= chr(0x80 | $char & 0x3F); 
            } elseif($char < 0x200000) { 
                $string .= chr(0xF0 | $char>>18); 
                $string .= chr(0x80 | $char>>12 & 0x3F); 
                $string .= chr(0x80 | $char>>6 & 0x3F); 
                $string .= chr(0x80 | $char & 0x3F); 
            } 
            return iconv('UTF-8', 'GB2312//IGNORE', $string); 
        } 
        /** 
         * 比较数组 
         * @param $arr1 数组 1 
         * @param $arr2 数组2 
         */ 
        public function arrayCombine($arr1, $arr2) 
        { 
            for($i=0; $i<count($arr1); $i++) $res[$arr1[$i]] = $arr2[$i]; 
            return $res; 
        } 
        /** 
         *获得汉字的拼音首字母 
         * @param $str 字符串 
         */ 
        public function getInitial($str,$charset) { 
            if($charset=="UTF-8")$str=$this->utf82GB2312($str); 
            $asc = ord(substr($str, 0, 1)); 
            if ($asc < 160) {//非中文 
                if ($asc >= 48 && $asc <= 57) { 
                    return chr($asc);  //数字 
                } elseif ($asc >= 65 && $asc <= 90) { 
                    return chr($asc);   // A--Z 
                } elseif ($asc >= 97 && $asc <= 122) { 
                    return chr($asc - 32); // a--z 
                } else { 
                    return '-'; //其他 
                } 
            } else {//中文 
                $asc = $asc * 1000 + ord(substr($str, 1, 1)); 
                //获取拼音首字母A--Z 
                if ($asc >= 176161 && $asc < 176197) { 
                    return 'A'; 
                } elseif ($asc >= 176197 && $asc < 178193) { 
                    return 'B'; 
                } elseif ($asc >= 178193 && $asc < 180238) { 
                    return 'C'; 
                } elseif ($asc >= 180238 && $asc < 182234) { 
                    return 'D'; 
                } elseif ($asc >= 182234 && $asc < 183162) { 
                    return 'E'; 
                } elseif ($asc >= 183162 && $asc < 184193) { 
                    return 'F'; 
                } elseif ($asc >= 184193 && $asc < 185254) { 
                    return 'G'; 
                } elseif ($asc >= 185254 && $asc < 187247) { 
                    return 'H'; 
                } elseif ($asc >= 187247 && $asc < 191166) { 
                    return 'J'; 
                } elseif ($asc >= 191166 && $asc < 192172) { 
                    return 'K'; 
                } elseif ($asc >= 192172 && $asc < 194232) { 
                    return 'L'; 
                } elseif ($asc >= 194232 && $asc < 196195) { 
                    return 'M'; 
                } elseif ($asc >= 196195 && $asc < 197182) { 
                    return 'N'; 
                } elseif ($asc >= 197182 && $asc < 197190) { 
                    return 'O'; 
                } elseif ($asc >= 197190 && $asc < 198218) { 
                    return 'P'; 
                } elseif ($asc >= 198218 && $asc < 200187) { 
                    return 'Q'; 
                } elseif ($asc >= 200187 && $asc < 200246) { 
                    return 'R'; 
                } elseif ($asc >= 200246 && $asc < 203250) { 
                    return 'S'; 
                } elseif ($asc >= 203250 && $asc < 205218) { 
                    return 'T'; 
                } elseif ($asc >= 205218 && $asc < 206244) { 
                    return 'W'; 
                } elseif ($asc >= 206244 && $asc < 209185) { 
                    return 'X'; 
                } elseif ($asc >= 209185 && $asc < 212209) { 
                    return 'Y'; 
                } elseif ($asc >= 212209) { 
                    return 'Z'; 
                } else { 
                    return '-'; 
                } 
            } 
        } 
        /** 
         * 拆分字符串为数组 
         * @param $str 字符串 
         * @param $charset 编码 
         */ 
        public function mbStringtoArray($str,$charset) { 
            $strlen=mb_strlen($str); 
            while($strlen){ 
                $array[]=mb_substr($str,0,1,$charset); 
                $str=mb_substr($str,1,$strlen,$charset); 
                $strlen=mb_strlen($str); 
            } 
            return $array; 
        } 
        public function getInitials($str,$charset){ 
            $initials=""; 
            foreach($this->mbStringtoArray($str,$charset)as $char){ 
                $initials.=$this->getInitial($char,$charset); 
            } 
            return $initials; 
        } 
    } 